detach.cpp File Reference

.detach command More...

#include "pch.h"

Functions
VOID	CommandDetachHelp ()
	help of the .detach command
VOID	DetachFromProcess ()
	perform detach from process
VOID	CommandDetach (vector< CommandToken > CommandTokens, string Command)
	.detach command handler

Variables
BOOLEAN	g_IsVmmModuleLoaded
	shows whether the VMM module is loaded or not
ACTIVE_DEBUGGING_PROCESS	g_ActiveProcessDebuggingState
	State of active debugging thread.

Detailed Description

.detach command

Author

Sina Karvandi (sina@.nosp@m.hype.nosp@m.rdbg..nosp@m.org)

Version

0.1

Date

2020-08-28

Copyright

This project is released under the GNU Public License v3.

Function Documentation

CommandDetach()

VOID CommandDetach	(	vector< CommandToken >	CommandTokens,
		string	Command )

.detach command handler

Parameters

CommandTokens
Command

Returns

VOID

{
    if (CommandTokens.size() >= 2)
    {
        ShowMessages("incorrect use of the '%s'\n\n",
                     GetCaseSensitiveStringFromCommandToken(CommandTokens.at(0)).c_str());
        CommandDetachHelp();
        return;
    }
 
    //
    // Perform detach from the process
    //
    DetachFromProcess();
}

CommandDetachHelp()

VOID CommandDetachHelp

(

)

help of the .detach command

Returns

VOID

{
    ShowMessages(".detach : detaches from debugging a user-mode process.\n\n");
 
    ShowMessages("syntax : \t.detach \n");
}

DetachFromProcess()

VOID DetachFromProcess

(

)

perform detach from process

Returns

VOID

{
    DEBUGGER_ATTACH_DETACH_USER_MODE_PROCESS DetachRequest = {0};
 
    //
    // Check if debugger is loaded or not
    //
    AssertShowMessageReturnStmt(g_IsVmmModuleLoaded, g_DeviceHandle, ASSERT_MESSAGE_VMM_NOT_LOADED, ASSERT_MESSAGE_DRIVER_NOT_LOADED, AssertReturn);
 
    //
    // Check if we attached to a process or not
    //
    if (!g_ActiveProcessDebuggingState.IsActive)
    {
        ShowMessages("you're not attached to any thread\n");
        return;
    }
 
    //
    // Perform the detaching of the target process
    //
    UdDetachProcess(g_ActiveProcessDebuggingState.ProcessId, g_ActiveProcessDebuggingState.ProcessDebuggingToken);
}

Variable Documentation

g_ActiveProcessDebuggingState

ACTIVE_DEBUGGING_PROCESS g_ActiveProcessDebuggingState

extern

State of active debugging thread.

{0};

g_IsVmmModuleLoaded

BOOLEAN g_IsVmmModuleLoaded

extern

shows whether the VMM module is loaded or not